Error when upgrading to exchange 2013 SP1

* First, I install Exchange 2013 SP1 on my server, so step 14 of 18 to 100% then alert error:

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Error:
The following error was generated when "$error.Clear();
          $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName;
          $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName;
          $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1;
          if( $dismbx -ne $null)
          {
          $srvname = $dismbx.ServerName;
          if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like "$srvname.*" )
          {
          Write-ExchangeSetupLog -info "Setup DiscoverySearchMailbox Permission.";
          $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true };
          if( $mountedMdb -eq $null )
          {
          Write-ExchangeSetupLog -info "Mounting database before stamp DiscoverySearchMailbox Permission...";
          mount-database $dismbx.Database;
          }

          $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true };
          if( $mountedMdb -ne $null )
          {
          $dmRoleGroupGuid = [Microsoft.Exchange.Data.Directory.Management.RoleGroup]::DiscoveryManagement_InitInfo.WellKnownGuid;
          $dmRoleGroup = Get-RoleGroup -Identity $dmRoleGroupGuid -DomainController $RoleDomainController -ErrorAction:SilentlyContinue;
          if( $dmRoleGroup -ne $null )
          {
            trap [Exception]
            {
              Add-MailboxPermission $dismbx -User $dmRoleGroup.Name -AccessRights FullAccess -DomainController $RoleDomainController -ErrorAction SilentlyContinue;
              continue;
            }
            
            Add-MailboxPermission $dismbx -User $dmRoleGroup.Identity -AccessRights FullAccess -DomainController $RoleDomainController -WarningAction SilentlyContinue;
          }
          }
          }
          }
        " was run: "Failed to mount database "Mailbox Database 0487331505". Error: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionJetErrorRequiredLogFilesMissing: Unable to mount database. (hr=0x80004005, ec=-543)
Diagnostic context:
    Lid: 65256  
    Lid: 10722   StoreEc: 0xFFFFFDE1
    Lid: 1494    ---- Remote Context Beg ----
    Lid: 45120   dwParam: 0x667F9F
    Lid: 57728   dwParam: 0x668155
    Lid: 46144   dwParam: 0x66851E
    Lid: 34880   dwParam: 0x66851E
    Lid: 34760   StoreEc: 0xFFFFFDE1
    Lid: 41344   Guid: 581e05de-0b68-45e0-af85-c1d96eb3e939
    Lid: 35200   dwParam: 0x548
    Lid: 46144   dwParam: 0x66885A
    Lid: 34880   dwParam: 0x66885A
    Lid: 56264   StoreEc: 0x1388    
    Lid: 46280   StoreEc: 0xFFFFFDE1
    Lid: 1750    ---- Remote Context End ----
    Lid: 1047    StoreEc: 0xFFFFFDE1 [Database: Mailbox Database 0487331505, Server: ex2013.dothanhauto.com]".

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* After I run install Exchange 2013 SP1 again, so go to step 5 of 9 then alert error.

* Now, my Exchange 2013 not run. So bad. Please help me fix it! Thank you so much!